Tech Tips – HVAC School For HVAC Techs, By HVAC Techs (Refrigeration as well)
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Short Circuits
The term “short” has become a meaningless phrase in common culture to mean “anything that is wrong with an electrical device”. A short […]
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Hot Pull Down and What it Means
If you work in refrigeration you may have heard the term “hot pull down”. This phrase is used to describe a condition where the load on the […]
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Air Flow and Ice – A Thought Experiment
Imagine a glass of ice sitting on a table. Now imagine you place a lid on the glass so all the water and ice is contained in the glass. If the ice and water […]
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Refrigerant Charging Basics For Air Conditioning & Heat Pump Systems
Before I start on this one… At HVAC School we focus on a wide range of topics, many of them are very basic. My experience as a trainer for over 16 years […]
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Coil SHR, Ventilation, and Bypass Factor – Advanced Psychrometrics Part 2
This is the second article in a three-part series, where Advanced Psychrometrics are explored. The source material for each of the articles in this series is […]